Monitoring Pediatric Head CT Scan Dose Levels: A Retrospective Study of Diagnostic Reference Levels in a Single Hospital in Abu Dhabi, UAE.

ABU Dhabi (United Arab Emirates); UNITED Arab Emirates

Diagnostic reference levels (DRLs) are critical operational standards for monitoring radiological imaging parameters and ensuring patient safety in hospitals. A regular review of DRLs is necessary to optimize scanners and protocol parameters. This retrospective study collected data on the CT dose index volume and dose–length product for 250 children who underwent head CT scans in the region of Abu Dhabi, United Arab Emirates. Descriptive statistics were used to present median, range, and interquartile range values for each pediatric age group, based on region and protocol. The 75th percentile was used as the reference point for local DRLs. Proposed values of DRLs were suggested per age groups; 304 mGy∙cm (children < 1 year), 385 mGy∙cm (children ≥ 1 year to <5 years), 441 mGy∙cm (children ≥ 5 years to <10 years), and 568 mGy∙cm (patients ≥ 10 years to <16 years. A comparison of the local DRLs with previously established ones was carried out, and differences were discussed. To the best of our knowledge, this is the first study on pediatric head CT scans in this region. We believe the results can be used as a baseline for establishing local DRLs in the Emirate of Abu Dhabi and national DRLs in the United Arab Emirates. [ABSTRACT FROM AUTHOR]

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